Patents by Inventor Stephen J. Gerdemann

Stephen J. Gerdemann has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Recovery of titanium values from titanium grinding swarf by electric furnace smelting
    Patent number: 5968224
    Abstract: A method for the recovery of valuable materials from titanium grinding swarf is provided comprising the steps of sieving the accumulated titanium grinding swarf to remove unwanted coarse trash and grinding wheel fragments, pelletizing, and smelting in an electric arc furnace to produce ferrotitanium and/or high titanium slag.
    Type: Grant
    Filed: July 31, 1998
    Date of Patent: October 19, 1999
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventors: Stephen J. Gerdemann, Jack C. White
  • Recovery of titanium values from titanium grinding swarf by electric furnace smelting
    Patent number: 5788736
    Abstract: A method for the recovery of valuable materials from titanium grinding swarf is provided comprising the steps of sieving the accumulated titanium grinding swarf to remove unwanted coarse trash and grinding wheel fragments, pelletizing, and smelting in an electric arc furnace to produce ferrotitanium and/or high titanium slag.
    Type: Grant
    Filed: July 1, 1996
    Date of Patent: August 4, 1998
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventors: Stephen J. Gerdemann, Jack C. White